PIRSA:24090187 Scientific Series Particle Physics

DOI10.48660/24090187

Series: Particle Physics

Galanis, M. (2024). Superradiant interactions of cosmic noise. Perimeter Institute. https://pirsa.org/24090187

Galanis, Marios. Superradiant interactions of cosmic noise. Perimeter Institute, Sep. 24, 2024, https://pirsa.org/24090187 

@misc{ pirsa_PIRSA:24090187,
  doi = {10.48660/24090187},
  url = {https://pirsa.org/24090187},
  author = {Galanis, Marios},
  keywords = {Particle Physics},
  language = {en},
  title = {Superradiant interactions of cosmic noise},
  publisher = {Perimeter Institute},
  year = {2024},
  month = {sep},
  note = {PIRSA:24090187 see, \url{https://pirsa.org}}
}

Abstract

In this talk I will do three things. First, I will outline the conditions under which the interaction rate of inelastic processes with a system consisting of N targets scales as N^2. Second, I will present computations of interaction rates for several weakly interacting particles, including the Cosmic Neutrino Background and QCD axion dark matter, and will explain the underlying physics. Third, I will introduce new quantum observables that do not rely on net energy transfer, but can still extract these N^2 effects. This talk will not address a concrete experimental proposal, but the effects presented may point to a new class of table-top and ultra-low threshold particle detectors.

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